At the end, Jonathan and Jennifer dance to an instrumental version of You Were Meant For Me. This song is from the musical Singin' In The Rain.
Jonathan warns Jennifer, loose lips sink ships. This phrase was coined by the US War Office in 1942 to help reduce the amount of information given advertently to enemy spies.
When the Harts are watching their 'holiday' video they are actually viewing clips taken from the episode Downhill To Death, series 1 episode 16, which was set in the ski resort of Vale, Colorado.
In this episode, the Harts perform numerous songs and sketches from the stage and screen. They mimic being Fred Astaire and Judy Garland when they perform A Couple of Swells from the 1948 musical Easter Parade,perform the Budd Abbott and Lou Costello Who is on First? sketch that originated in their 1945 film The Naughty Nineties and the finale is the song Manhattan, written by Rogers and Hart for the Garrick Gaities review.
Anyone have any idea of when Jennifer's family home went from a white Colonial with columns to a brick Old English?
Jonathan and Jennifer met, dated and were engaged in less than one day.
Robert Wagner and Stefanie Powers have both agreed that this was their favorite episode. The banners dropped from the Tower Bridge during the afternoon commute and Stefanie has always wondered what people driving in the area thought when they saw the proposal.
Second time around as a baddie for Tom McGreevy in H2H.
Robin is watching the 1946 film Gilda, starring Rita Hayworth and Glen Ford, when she makes the telephone call to the prayer line.
Gary Lockwood is the ex husband of Stefanie Powers, playing a bad guy here.
At the end of Kasin's speech where he plans to usurp Raschid, he says inshallah. This is Arabic for God willing.
As the house burns, Jennifer says, tomorrow is another day. This is from the 1939 film Gone With The Wind.
The theme tune to the television show High Chaparral is played throughout the episode.
Jonathan tells Jennifer, I'll drink no wine before it's time. This is from an Orson Wells advertisement where he did a voiceover for a wine company.
Toccata and Fugue in D minor,by Johann Sebastian Bach, is playing in the church when Max takes the coin to show the priest.
The password used to get in to the card game is Ebberts Field. This was the name of the old Brooklyn Dodgers stadium that was demolished in 1960.
The 1949 James Cagney movie White Heat is playing on the cinema big screen while Jonathan and Patrick Burke have a shoot out.
This episode was a take-off on the movie The Man Who Never Was.
The song being sung in the club is called "Go Back Where You Stayed Last Night".
Steve Allen makes an uncredited appearance playing his own clarinet.